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Paul Mackerras authored
On POWER9, the msgsnd instruction is able to send interrupts to other cores, as well as other threads on the local core. Since msgsnd is generally simpler and faster than sending an IPI via the XICS, we use msgsnd for all IPIs sent by KVM on POWER9. Signed-off-by:
Paul Mackerras <paulus@ozlabs.org>
1704a81c